Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0%
|
-7 | Does not apply | 3 |
0.1%
|
0 | No obstacle | 570 |
21.6%
|
1 | Minor obstacle | 684 |
26%
|
2 | Moderate obstacle | 660 |
25%
|
3 | Major obstacle | 505 |
19.2%
|
4 | Very severe obstacle | 212 |
8%
|